<template>
  <a-dropdown>
    <a class="ant-dropdown-link" @click="e => e.preventDefault()"> Hover me
      <DownOutlined/>
    </a>
    <template v-slot:overlay>
      <a-menu>
        <a-menu-item>
          <a href="javascript:;">1st menu item</a>
        </a-menu-item>
        <a-menu-item>
          <a href="javascript:;">2nd menu item</a>
        </a-menu-item>
        <a-menu-item>
          <a href="javascript:;">3rd menu item</a>
        </a-menu-item>
      </a-menu>
    </template>
  </a-dropdown>

  <div>
    <a-transfer
        :data-source="mockData"
        :titles="['Source', 'Target']"
        :target-keys="targetKeys"
        :selected-keys="selectedKeys"
        :render="item => item.title"
        :disabled="disabled"
        @change="handleChange"
        @selectChange="handleSelectChange"
        @scroll="handleScroll"
    />
    <a-switch
        un-checked-children="enabled"
        checked-children="disabled"
        :checked="disabled"
        style="margin-top: 16px"
        @change="handleDisable"
    />
  </div>
</template>

<script>
import {DownOutlined} from '@ant-design/icons-vue';

export default {
  components: {
    DownOutlined,
  },
  data() {
    const mockData = [];
    for (let i = 0; i < 20; i++) {
      mockData.push({
        key: i.toString(),
        title: `content${i + 1}`,
        description: `description of content${i + 1}`,
        disabled: i % 3 < 1,
      });
    }

    const oriTargetKeys = mockData.filter(item => +item.key % 3 > 1).map(item => item.key);
    return {
      mockData,
      targetKeys: oriTargetKeys,
      selectedKeys: ['1', '4'],
      disabled: false,
    };
  },
  methods: {
    handleChange(nextTargetKeys, direction, moveKeys) {
      this.targetKeys = nextTargetKeys;

      console.log('targetKeys: ', nextTargetKeys);
      console.log('direction: ', direction);
      console.log('moveKeys: ', moveKeys);
    },
    handleSelectChange(sourceSelectedKeys, targetSelectedKeys) {
      this.selectedKeys = [...sourceSelectedKeys, ...targetSelectedKeys];

      console.log('sourceSelectedKeys: ', sourceSelectedKeys);
      console.log('targetSelectedKeys: ', targetSelectedKeys);
    },
    handleScroll(direction, e) {
      console.log('direction:', direction);
      console.log('target:', e.target);
    },
    handleDisable(disabled) {
      this.disabled = disabled;
    },
  },
};
</script>
